Today's Weather Forecast - Montreal
Today's weather in Montreal. high 15°C (59°F), low 9°C (48°F). Sunny.
Today’s Hourly Weather Outlook
- Wind speed
- 16 km/h
- Rain probability
- 0%
- Wind speed
- 18 km/h
- Rain probability
- 0%
- Wind speed
- 10 km/h
- Rain probability
- 0%
- Wind speed
- 11 km/h
- Rain probability
- 0%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: O3
- Monitoring station
- St-Dominique, Montreal, Canada
- PM2.5
- 27μg/m³
- O₃
- 33.2ppb
- NO₂
- 11ppb
- SO₂
- 0.6ppb
- CO
- 1.6ppm
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Montreal is forecast to reach a high of 15°C today, with an overnight low around 9°C. That's 8° below the long-term average high of 23°C for this time of year. It continues a recent pattern — 6 of the last 28 days with published data have run cooler than normal. Expect little chance of rain (0% probability) and a gentle breeze averaging 18 km/h. Air quality is currently Moderate (AQI 53), driven mainly by PM2.5 at 9.1 μg/m³.
Today vs Normal
The long-term average high for today is 23°C.
6 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running below normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.